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Disabled ipv6 on SBS 2008, now I can't re-enable

I was testing a theory on an SBS 2008 server (running Exchange) and unchecked the ipv6 protocol in networking. After a reboot, the network adapter appears "offline," and I can't re-enable ipv6 because the dialog box I just disabled it from hangs when I try to open it.

Any help would be much appreciated.
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1 Solution
Simple solution would be to go into the Device Manager and uninstall the NIC.  First of course make sure you have the most updated NIC drivers for the device...then reboot the server and let windows detect the device and install it using the proper driver. IPV6 should be enabled by default after the installation.
Chief_ArchitectAuthor Commented:
Great idea, it didn't even occur to me. As I was about to remove the adapter, I realized I had a second unused NIC, so I thought I'd try it out, and as soon as the cable was plugged in to the other NIC, the dialog box opened right up and I was able to re-enable ipv6. Thanks!
No problem. I completely understand, been there. Sometimes you just need another person to look at the issue that is not directly involved.
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